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...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Class 400/25 - Including a type-head (e.g., cylinder, disc, etc.)


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the typewriter is provided with a
No. of patents: 16
Last issue date: 04/08/2008


NumberTitleIssue Date
7354214Image forming apparatus having a chassis containing a curved part that supports a roller bearing
The image forming apparatus includes a chassis, a feed roller, and a press roller. The chassis includes first and side surfaces, a bottom surface that connects the first and second side surfaces, and a curved part formed unitarily with the bottom surface. The curved...
04/08/2008
6666626System for transporting sliders for zipper bags
An apparatus (10) for and a method of transporting sliders to the slider insertion area (27) of a slider insertion device (18). A first sensor (30) on a sender track (20) detects a lack of sliders (21) in the sender track. A signal is sent from the first ...
12/23/2003
6036381Book printer including support for accommodating bound portion
A printer prints upon a book having a plurality of pages bound at a binding edge (1). The book is opened, placed on a supporting surface (16) and fed in a feed direction parallel to the binding edge. A supporting shaft (13) extends parallel to the support...
03/14/2000
5183347Apparatus for printing images on booklets
An apparatus for printing images on a booklet comprises, first and second paired pinch rollers for conveying pages of the opened booklet to a printing head, located between these paired pinch rollers, a rotatable platen opposed to the printing head and lo...
02/02/1993
5035521Envelope printing mechanism
The elements of a printing mechanism, including a platen, print head and drive motors, are constructed and arranged to provide a clearance permitting an envelope to remain entirely in a flat condition in a plane tangent to the platen at the location of th...
07/30/1991
4870258Page turning apparatus
A booklet, such as a passbook is transferred to the position, in which a page turning device is provided, on a base, by a transfer mechanism comprising driving and follower rollers. During a page turning operation, the booklet is pressed from the rear sid...
09/26/1989
4544289Print disk positioning system
A print disk positioning system is disclosed herein which provides rotational and lateral movement of a print disk (20) having raised or depressed characters thereon with the objective of locating the appropriate character within the jaws of a printing st...
10/01/1985
4516866Printing apparatus
Disclosed is a printing apparatus for printing a page of a book. The printing apparatus comprises printing means, page turning means, and a shutter movable between the printing means and the page turning means for guiding the book. The shutter is located ...
05/14/1985
4488367Page turning apparatus
Disclosed is an apparatus for selectively turning the pages of a book forward and backward. The apparatus of the present invention comprises a roller, first transfer means, pressing means, driving means, and second transfer means. The roller can rotate se...
12/18/1984
4370665Paper transport for a printer test unit
A paper transport simulates movement of a plurality of documents past the print station of a ink jet printer. The transport includes an arrangement for transporting a continuous paper web past the print station and a tachometer drive roller for contacting...
01/25/1983
4280036Banking apparatus using passbooks
A banking apparatus using passbooks, such as for example a passbook printing apparatus built-in an automatic depositing machine, in which a passbook inserted in the apparatus is transferred to a printing position by means of a driving belt. A printing mec...
07/21/1981
4277186Printing and displaying apparatus
A printing and displaying apparatus for printing characters on a heat-sensitive recording medium and, at the same time, providing a visual display of printed characters to permit visual observation of the state of printing. The apparatus comprises a trans...
07/07/1981
4265550Ink ribbon cartridge including a movable ribbon tensioning guide for a printing machine
An ink ribbon cartridge for a printing machine of the type which includes a carriage moving in a direction parallel to the line of typing and a needle printing head, which can move on the carriage perpendicular to its direction of movement to advance and ...
05/05/1981
4232217Stepper motor drive for a mechanical camshaft
A drive system for processing passbook data includes a bi-directional stepper motor responsive to programmed input signals, cam sets rotated by the stepper motor for initiating data sensing, document positioning, and data transfer operations, and cam foll...
11/04/1980
4039069Magnetic stripe passbook and scanner for document printing apparatus
A printing apparatus is provided for printing on a document, such as a bank passbook, which has affixed thereto a magnetic stripe on the cover on which information with respect to the print operation to be performed is written and/or read by a magnetic sc...
08/02/1977
4027765Record media drive mechanism
A plurality of printing stations are spaced across a machine wherein a feed or drive assembly for paper or like record media is associated with each station, each of the feed or drive assemblies being self-contained and of modular construction to enable p...
06/07/1977
 
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